Refine Unicode normalization paragraph in User Guide

[CyrilleB79]

Link to issue number:

Fix-up of #19608

Summary of the issue:

With the introduction of #19608, the logic of the Unicode normalization paragraph in the User Guide has been broken. Namely, the information regarding additional (non-NFKC) normalization has been added as a bullet in the list of NVKC benefits.

Description of user facing changes:

Unicode normalization paragraph modified / updated.

Description of developer facing changes:

N/A

Description of development approach:

• Separate description of N FKC benefits and additional NVDA normalization.
• Also other small fixes, e.g. upper/lowercase, etc.

Testing strategy:

Check generated User Guide

Known issues with pull request:

None

Code Review Checklist:

• Documentation:
  • Change log entry
  • User Documentation
  • Developer / Technical Documentation
  • Context sensitive help for GUI changes
• Testing:
  • Unit tests
  • System (end to end) tests
  • Manual testing
• UX of all users considered:
  • Speech
  • Braille
  • Low Vision
  • Different web browsers
  • Localization in other languages / culture than English
• API is compatible with existing add-ons.
• Security precautions taken.

[CyrilleB79]

Cc @bramd

[Qchristensen]

Reads well

[bramd]

@CyrilleB79 Thanks for improving this